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Finding the Fourth Proportional to 242,044, 334,020.72 and 136,060

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Solution

The fourth proportional to 242,044, 334,020.72 and 136,060 is: 187,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,044 : 334,020.72 = 136,060 : x
  2. Step 2: Convert to fraction form
    242,044/334,020.72 = 136,060/x
  3. Step 3: Cross multiply
    242,044x = 334,020.72 × 136,060
  4. Step 4: Simplify right side
    242,044x = 45,446,859,163.20
  5. Step 5: Solve for x
    x = 45,446,859,163.20/242,044
  6. Step 6: Final answer
    x = 187,762.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.